![]() In particular, the animals captured during each survey are The plots have a lot of dynamic characteristics, and those changes are recorded The plots have some fixedĬharacteristics, such as the type of manipulation, geographic location, aspect, The research site consists of many plots – patches of the Arizona desert thatĪre intensively manipulated and repeatedly surveyed. Since 1977, the site has been a primary focus of research on interactionsĪmong rodents, ants and plants and their respective responses to climate. The Portal Project is a long-term ecological study being conducted near Portal,ĪZ. Check primary and foreign key constraints. ![]() Insert records one at a time into a table. ![]()
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